橘子朗文词典

x-gal

X 开头单词

基本解释

  • 乳糖酶底物； 酶切后显蓝色.
  • X-Gal (5-bromo-4-chloro-3-indolyl-beta-D-galactopyranoside) is an inert chromogenic substrate for beta-galactosidase； an enzyme that promotes lactose utilization.；Beta-galactosidase hydrolyzes X-Gal into a colorless galactose and 4-chloro-3-brom-indigo which forms an intense blue precipitate

同根派生

     

英汉例句

  • Whole mount staining with X gal demonstrated 2.2lacZ generated expression in cartilage and mammary glands in 3 transgenic mice.
    X－gal全胚胎染色发现其中3 只转基因小鼠在软骨和乳腺组织中均可见转基因的表达。
  • Objective: To assess the treatment effect of rat C 6 glioma with recombinant adenovirus HSV tk gene (AdHCMV tk) combinated with GCV and ACV. Methods: The efficiency of AdHCMV lacZ infecting C 6 cells was studied by using x gal staining.
    目的：带有HSV－tk基因的重组腺病毒（AdHCMV－tk）结合核苷类似物（NA）治疗大鼠C6脑胶质瘤。
  • Method The cultured synovial cells of rheumatoid arthritis were infected by adenovirus containing lacZ reporter gene. Then the expression of lacZ gene were showed by the X gal method and the diagram of expression was drawed.
    方法 将含LacZ报告基因腺病毒感染类风湿关节炎滑膜细胞 ,通过X gal显色的方法观察腺病毒感染滑膜细胞后基因的表达情况 ,绘制感染效率曲线。
  • We use x as the symbol for an unknown quantity.
    我们用x表示一个未知数。
  • X Gal medium
    X-Gal培养基